Re: reducing the overhead of frequent table locks - now, with WIP patch

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От Josh Berkus
Тема Re: reducing the overhead of frequent table locks - now, with WIP patch
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Msg-id 4DED2139.8060408@agliodbs.com
обсуждение исходный текст
Ответ на reducing the overhead of frequent table locks - now, with WIP patch  (Robert Haas <robertmhaas@gmail.com>)
Ответы Re: reducing the overhead of frequent table locks - now, with WIP patch  (Jignesh Shah <jkshah@gmail.com>)
Re: reducing the overhead of frequent table locks - now, with WIP patch  (Jignesh Shah <jkshah@gmail.com>)
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> That's an improvement of about ~3.5x.  According to the vmstat output,
> when running without the patch, the CPU state was about 40% idle.
> With the patch, it dropped down to around 6%.

Wow!  That's fantastic.

Jignesh, are you in a position to test any of Robert's work using DBT or
other benchmarks?

-- 
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com

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